Mercurial > ~darius > hgwebdir.cgi > stm32temp
diff lcd.c @ 3:74e9b3baac1e
Jumbo commit to make things work.
Note I have t
author | Daniel O'Connor <darius@dons.net.au> |
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date | Sun, 01 Jan 2012 11:01:13 +1030 |
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children | 2c87e30c982d |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lcd.c Sun Jan 01 11:01:13 2012 +1030 @@ -0,0 +1,122 @@ +/* + * Example code (I think) + * ~/projects/STM32Strive/奋斗STM32开发板例程/奋斗STM32开发板例程/奋斗STM32开发板MINI/STM32奋斗版ucOS II V2.86 uCGUI 3.9 DEMO-V2/STM32奋斗版ucOS II V2.86 uCGUI 3.9 DEMO + * + * Schematics + * Main board ~/Downloads/Strive\ Mini\ STM32\ Schematic.pdf + * LCD board ~/Downloads/Strive Mini LCD STM32 Schematic.pdf + * MCU reference manual + * ~/Downloads/CD00171190.pdf + * MCU Data sheet (pinout) + * ~/Downloads/CD00191185.pdf + * LCD data sheet + * + */ +/* LCD board MCU + 1 VCC + 2 TC_SCK PA5/SPI1_SCK + 3 GND + 4 TC_CS PB7/SPI1_CS3 + 5 RST PE1 FSMC_NBL1? (unlikely) + 6 TC_DIN PA7/SPI1_MOSI + 7 nOE PD4/FSMC_nOE + 8 TC_DOUT PA6/SPI1_MISO + 9 nWR PD5/FSMC_nWE + 10 TC_INT PB6 + 11 CS PD7/FSMC_NE1/FSMC_NCE2 + 12 NC + 13 RS PD11/FSMC_A16 + 14 NC + 15 D7 PE10/FSMC_D7 + 16 NC + 17 D6 PE9/FSMC_D6 + 18 NC + 19 D3 PD1/FSMC_D3 + 20 D13 PD8/FSMC_D13 + 21 D5 PE8/FSMC_D5 + 22 D12 PE15/FSMC_D12 + 23 D4 PE7/FSMC_D4 + 24 GND + 25 NC + 26 D11 PE14/FSMC_D11 + 27 D2 PD0/FSMC_D2 + 28 D10 PE13/FSMC_D10 + 29 D1 PD15/FSMC_D1 + 30 D9 PE12/FSMC_D9 + 31 D0 PD14/FSMC_D0 + 32 D14 PD9/FSMC_D9 + 33 NC + 34 D8 PE11/FSMC_D8 + 35 NC + 36 NC + 37 NC + 38 LCD_PWM PD13/TIM4_CH2 + 39 NC + 40 D15 PD10/FSMC_D15 +*/ + +#include "stm32f10x.h" +#include "lcd.h" + +void +LCD_init(void) { + GPIO_InitTypeDef GPIO_InitStructure; + FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure; + FSMC_NORSRAMTimingInitTypeDef p; + + /* Configures LCD Control lines (FSMC Pins) in alternate function Push-Pull mode. + * + * PD0(D2), PD1(D3), PD4(NOE), PD5(NWE), PD7(NE1/CS), PD8(D13), PD9(D14), + * PD10(D15), PD11(A16/RS) PD14(D0), PD15(D1) + */ + GPIO_InitStructure.GPIO_Pin = (GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_7 | + GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_14 | GPIO_Pin_15); + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOD, &GPIO_InitStructure); + + /* PE7(D4), PE8(D5), PE9(D6), PE10(D7), PE11(D8), PE12(D9), PE13(D10), + * PE14(D11), PE15(D12) + */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | + GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15; + GPIO_Init(GPIOE, &GPIO_InitStructure); + + /* Configures the Parallel interface (FSMC) for LCD (Parallel mode) */ + /* FSMC_Bank1_NORSRAM4 timing configuration */ + p.FSMC_AddressSetupTime = 1; + p.FSMC_AddressHoldTime = 0; + p.FSMC_DataSetupTime = 2; + p.FSMC_BusTurnAroundDuration = 0; + p.FSMC_CLKDivision = 0; + p.FSMC_DataLatency = 0; + p.FSMC_AccessMode = FSMC_AccessMode_A; + + /* FSMC_Bank1_NORSRAM4 configured as follows: + - Data/Address MUX = Disable + - Memory Type = SRAM + - Data Width = 16bit + - Write Operation = Enable + - Extended Mode = Disable + - Asynchronous Wait = Disable */ + FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM4; + FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable; + FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_SRAM; + FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b; + FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable; + FSMC_NORSRAMInitStructure.FSMC_AsynchronousWait = FSMC_AsynchronousWait_Disable; + FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low; + FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable; + FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState; + FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable; + FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable; + FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Disable; + FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable; + FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &p; + FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &p; + + FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); + + /* Enable FSMC_Bank1_NORSRAM4 */ + FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM4, ENABLE); +}